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gcom007
Joined: 26 Aug 2007
Posts: 112
Location: Beverly Hills, Michigan
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| Posted: Mon Sep 15, 2008 6:48 am Post subject: Quad Just Started Making Noise...scared... |
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So I just finished putting in the last tube of the new one's I bought. I hadn't done the red yet because I just hadn't gotten around to installing it. I finally get it in and clean things up nicely and then I power on. Everything lights up brighter than ever, bigtime potential. I go to set the G2 first of all and after I do so, maybe 30 seconds later the quad starts making an almost squealing noise. I immediately powered off hoping it wouldn't blow up on me. Powered on again to see if it'd be gone, not so lucky. I just shut down and unplugged everything and here I am now. What should I do? Is this thing about to die? Is there something I can check to save it? I'm a bit scared b/c 1 quad already blew on the thing a couple months back so I'm down to 0 spares on a 1208 s/e with the new quad that no one has. So, ummm, help!
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-Elliot
Barco 1208s/e
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Mon Sep 15, 2008 11:22 am Post subject: |
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Maybe that red tube have short, it's quite common after shipping. Unplug neck board and hv cable and see what happen.
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gcom007
Joined: 26 Aug 2007
Posts: 112
Location: Beverly Hills, Michigan
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| Posted: Mon Sep 15, 2008 9:05 pm Post subject: |
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I went back down and messed around a little last night and found that when tweaking the hv cables from the splitter a bit, the noise disappeared completely, so HV leak or short of some sort sounds about right. Though I think it might actually be the blue tube that's causing a problem and considering that if the cable is positioned differently, there's no noise, it could've been a problem before. Should I switch out the cables? Some other trick? Should I continue to use it in the meantime?
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-Elliot
Barco 1208s/e
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jkruger
Joined: 24 Oct 2007
Posts: 2435
Location: Carlsbad, CA
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| Posted: Tue Sep 16, 2008 3:32 am Post subject: |
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Try this:
Turn the pj on, projecting an image. Run your fingers all around the hv cables, twisting and bending them to stretch the insulation, listening for the HV leak. You will find it. Listening very closely will keep you from getting zapped.... personally I like a good jolt every now and again, but be aware you may get bit. Its not unlike an automobile ignition system and I've been bit thousands of times by those. It's actually invigorating. Your mileage may vary. 
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PhoneTech
Joined: 29 Aug 2008
Posts: 21
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| Posted: Tue Sep 16, 2008 2:40 pm Post subject: |
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Can you also use your tongue to check for HV leaks? It always works to check if these 9v batteries are still working...
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jkruger
Joined: 24 Oct 2007
Posts: 2435
Location: Carlsbad, CA
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| Posted: Tue Sep 16, 2008 2:51 pm Post subject: |
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Never used my tongue for HV leaks, but I did have a G/F that liked electric fences...
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Tue Sep 16, 2008 3:40 pm Post subject: |
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| PhoneTech wrote: | | Can you also use your tongue to check for HV leaks? It always works to check if these 9v batteries are still working... |
Well here's the difference beween a 9V and the high voltage of your projector.
9volts vs. 34 000 volts. So NO don't use your toung 
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Tech support for nothing
CRT.
HD done right!
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gcom007
Joined: 26 Aug 2007
Posts: 112
Location: Beverly Hills, Michigan
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| Posted: Tue Sep 16, 2008 11:05 pm Post subject: |
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I was wondering if it might be more efficient to just use my tongue. Maybe I should just lick my fingers first real good...
_________________
-Elliot
Barco 1208s/e
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Tue Sep 16, 2008 11:42 pm Post subject: |
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Curt swares by rubbing KY jelly on his penis then poking it around everything HV related. When he gets that bug-eyed look , he knows he's found the leak 
At least that's what I heard.
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Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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bbfarmht
Joined: 27 May 2006
Posts: 1273
Location: Where the Mississippi runs east to west!!
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| Posted: Tue Sep 16, 2008 11:51 pm Post subject: |
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WOW hey i think I found a leak !!!
What's that smell!!! 
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Adam
"Any society that would give up a little liberty to gain a little security will deserve neither and lose both"
Benjamin Franklin
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